General

  • Target

    timi4r.dll

  • Size

    1.7MB

  • Sample

    220614-t31sgsfffn

  • MD5

    46eb374c45317e2624efe42e31fee2d9

  • SHA1

    672fd609e10cd3aebec3a1038bba93d934829dad

  • SHA256

    a7f6ba5b03ed8eb9a547a0a73f72095a8f0ef32f1419769f1d0be33da3bdbf60

  • SHA512

    7d99ae6b1bd06854e1ae363aa4ba2d388e69b0dd03571153b3358ec1bd63a8e18a62035c94dbde62c1bf061e83e97d6da5bf50f1587d044c4295f2786576ba95

Malware Config

Extracted

Family

bumblebee

Botnet

1406r

C2

39.57.152.217:440

69.161.201.181:382

244.6.154.71:111

193.233.203.156:443

221.106.84.123:307

194.135.33.148:443

111.99.39.11:387

223.243.46.133:147

48.165.175.199:316

78.89.31.86:229

157.17.142.85:406

90.81.8.16:370

21.29.238.98:209

154.56.0.252:443

103.175.16.108:443

188.57.4.52:357

15.209.19.148:466

160.70.24.228:486

33.145.184.132:240

235.126.132.170:106

rc4.plain

Targets

    • Target

      timi4r.dll

    • Size

      1.7MB

    • MD5

      46eb374c45317e2624efe42e31fee2d9

    • SHA1

      672fd609e10cd3aebec3a1038bba93d934829dad

    • SHA256

      a7f6ba5b03ed8eb9a547a0a73f72095a8f0ef32f1419769f1d0be33da3bdbf60

    • SHA512

      7d99ae6b1bd06854e1ae363aa4ba2d388e69b0dd03571153b3358ec1bd63a8e18a62035c94dbde62c1bf061e83e97d6da5bf50f1587d044c4295f2786576ba95

    • BumbleBee

      BumbleBee is a webshell malware written in C++.

    • Enumerates VirtualBox registry keys

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Looks for VirtualBox Guest Additions in registry

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

MITRE ATT&CK Enterprise v6

Tasks